Whistle for coupling with a buckle member



FIG. 1 is a perspective view of a whistle for coupling with a buckle member showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is an enlarged top view of thereof;

FIG. 7 is an enlarged bottom view thereof;

FIG. 8 is a cross-sectional view taken along line 2-2 in FIG. 2; and,

FIG. 9 is a reference view thereof showing a configuration of use.

The broken lines in FIG. 9 are directed to environment, which forms no part of the claimed design. 

CLAIM The ornamental design for a whistle for coupling with a buckle member, as shown and described. 